Emerson 92W Manual de Instruções descarregar pdf (Página 7)

Type 92W

the top piston. Secure these parts with the lock washer

and hex nut (keys 40 and 41). Install the top piston plus

attached parts stem-rst through the stem seal until the

top stem contacts the bottom stem. .

9. For NPS 1, 1-1/2, and 2 sizes (DN 25, 40, and 50), coat

both serrated edges of the top cylinder (key 17) with

Led-Plate Number 250 sealant or equivalent, install

new cylinder gaskets (key 18) on these edges, and

install the cylinder down over the top piston into the

cylinder spacer.

10. Install the body ange (key 2) on the body, and secure

with the cap screws (key 3, not shown) for a cast iron

body or with the stud nuts (key 4) for a steel body.

11. Install the pilot and connect all tubing as shown

in Figure 6. .

12. When all maintenance is complete, refer to the startup

and adjustment procedure to put the regulator back into

operation and adjust the pressure setting.

Parts Ordering

When corresponding with a local Sales Ofce about

this equipment, always reference the equipment serial

number as found on the regulator nameplates.

When ordering replacement parts, reference the

complete 11-character part number of each needed part

as found in the following parts list.

7. Either remove the retaining ring (key 14), or, if it is

necessary to remove the bafe (key 13), remove the

spring seat, washer, and O-ring (keys 32, 34, and 38).

With an NPS 2-1/2 through 4 (DN 65 through 100) sizes

only, also remove the plug spacer (key 33).

Assembly

1. Inspect and replace parts as necessary, making

sure that the hollow passage in the top stem (NPS 1,

1-1/2, and 2 sizes only) (DN 25, 40, and 50) is free

from debris.

2. Install a spiral wound gasket (key 8) into the

body (key 1).

3. If installing a new valve plug and/or a new seat ring,

lap the seating surfaces together outside the body. Use

a commercial lapping compound or a mixture of

solidied vegetable oil and 600-grit or ner silicon

carbide or aluminum oxide.

4. Install the bafe (key 13), plug spacer (key 33) if used,

and either the retaining ring (key 14) or the O-ring,

washer, and spring seat (keys 38, 34, and 32), and then

install the seat ring (key 7), valve plug (key 6), and stem

(key 9) into the cage (key 5). Then, install the piston

spacer (key 11) down through the bafe until it contacts

the valve plug. Install the spring (key 12), and secure

with the piston (key 24), piston ring (key 25) with its open

end pointing out, piston ring retainer (key 26), and stem

nut (key 15).

For the NPS 1, 1-1/2, and 2 sizes (DN 25, 40, and 50),

lock the stem nut in place with a cotter pin (key 16), but

do not fold the pin ends up on top of the stem since this

can interfere with loading pressure registration through

the top stem passage.

5. Install the main piston cage assembly with attached

parts into the body. Coat one of the serrated edges

of the main cylinder (key 17) with Led-Plate Number 250

sealant or equivalent, install a new cylinder gasket

(key 18) onto this edge, and install the cylinder gasket-

side-up on the cage.

6. Install a new body gasket (key 19) onto the appropriate

edge of the body.

7. For NPS 1, 1-1/2, and 2 sizes (DN 25, 40, and 50),

install the stem seal (key 22) onto the cylinder spacer

(key 21) in the orientation shown in Figure 5, and secure

with the stem seal retainer (key 23). Coat the serrated

edge of the spacer with Led-Plate Number 250 sealant

or equivalent, and install the spacer edge-side-down

over the bottom cylinder.

8. For NPS 1, 1-1/2, and 2 sizes (DN 25, 40, and 50),

install the top piston ring (key 25) with its open end

pointing out, ring retainer (key 26), and stem (key 20) on

Parts List

Types 6492L and 6492H Pilots (Figure 4)

Key Description Part Number

Repair Kits (included are keys 4, 5, 7

8, 9, 10, and 18)

Type 6492L pilot R6492LX0012

Type 6492H pilot R6492HX0012

1 Body

Cast Iron

Type 6492L pilot 32A0404X012

Type 6492H pilot 22A0403X012

Steel

Type 6492L pilot 32A0404X052

Type 6492H pilot 22A0403X052

2 Plug Guide, Stainless steel 1E391835132

3 Plug Spring, 302 Stainless steel 1E392437022

4* Plug, 302 Stainless steel 1F967446172

5* Seat Ring, 416 Stainless steel 1H564446172

7* Stem, 416 Stainless steel 1F967835132

8* Bellows Retainer, Brass 1F971214012

9* Bellows, Brass 1F971318992

10* Diaphragm, 302 Stainless steel (2 required)

Type 6492L pilot 1E396936012

Type 6492H pilot 1E395836012

*Recommended spare part.

1 2 3 4 5 6 7 8 9 10 11 12

Type 92W Liquid Regulator 1
Type 92W 10

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